/*
 * Copyright 2023 Babit Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#ifndef _HMP_OC_DEVICE_H
#define _HMP_OC_DEVICE_H

#import <Foundation/Foundation.h>

typedef enum _HmpDeviceType { kCPU = 0, kCUDA = 1 } HmpDeviceType;

@interface HmpDevice : NSObject {
  @protected
    void *_impl;
    bool _own;
}

+ (int64_t)count:(HmpDeviceType)type;
+ (int)current:(HmpDeviceType)type;
+ (void)set_current:(HmpDevice *)device;

- (instancetype)init;
- (instancetype)initFromString:(NSString *)device;
- (instancetype)initFromPtr:(void *)ptr:(bool)own;

- (void *)ptr;

- (void)dealloc;

- (NSString *)description;

- (HmpDeviceType)type;
- (int)index;

@end

#endif